EP3455031A1 - Meule munie d'un élément de support amortissant les vibrations - Google Patents

Meule munie d'un élément de support amortissant les vibrations

Info

Publication number
EP3455031A1
EP3455031A1 EP17719985.8A EP17719985A EP3455031A1 EP 3455031 A1 EP3455031 A1 EP 3455031A1 EP 17719985 A EP17719985 A EP 17719985A EP 3455031 A1 EP3455031 A1 EP 3455031A1
Authority
EP
European Patent Office
Prior art keywords
grinding wheel
vibration
coupling region
abrasive coating
carrier body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17719985.8A
Other languages
German (de)
English (en)
Other versions
EP3455031B1 (fr
Inventor
Harald KÖCHL
Karl Mayrhofer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tyrolit-Schleifmittelwerke Swarovski KG
Original Assignee
Tyrolit-Schleifmittelwerke Swarovski KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tyrolit-Schleifmittelwerke Swarovski KG filed Critical Tyrolit-Schleifmittelwerke Swarovski KG
Priority to SI201730270T priority Critical patent/SI3455031T1/sl
Priority to PL17719985T priority patent/PL3455031T3/pl
Publication of EP3455031A1 publication Critical patent/EP3455031A1/fr
Application granted granted Critical
Publication of EP3455031B1 publication Critical patent/EP3455031B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/16—Bushings; Mountings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/007—Weight compensation; Temperature compensation; Vibration damping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B45/00—Means for securing grinding wheels on rotary arbors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/02—Wheels in one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/12—Cut-off wheels

Definitions

  • the invention relates to a grinding wheel with a carrier body, which has a central coupling region for connecting the grinding wheel to a rotary drive for rotating the grinding wheel about a coupling axis extending through the axis of rotation and a peripheral surface, and with an abrasive coating, which is applied to the peripheral surface of the carrier body, in particular Sintered is.
  • the grinding wheel 101 comprises a carrier body 102 made of steel with a central coupling region 104 for connecting the grinding wheel 101 to a rotary drive for rotating the grinding wheel 101, passing through the coupling region 104 Rotation axis 105.
  • the carrier body 102 further has a peripheral surface 106, on which an abrasive coating 107 is applied.
  • the grinding insert generates vibrations which radiate over all areas of the grinding wheel and the workpiece to be machined. If one or more natural frequencies are excited, the vibrations are even amplified. The vibrations can also adversely affect the accuracy and thus the quality of the grinding result.
  • the objective technical object of the present invention is therefore to provide a grinding wheel according to the preamble of claim 1, in which these disadvantages are avoided.
  • the carrier body comprises a first part and a second part connected thereto, wherein the first part has the peripheral surface, and the second part has the coupling region and consists essentially of a vibration-damping material.
  • the vibration decoupling or damping by the second part of the carrier body thus takes place in two directions: on the one hand, the vibrations generated by the abrasive coating and, on the other hand, the vibrations caused by the rotary drive or the grinding machine are damped and decoupled from one another. In the prior art, some overlapping and additional amplification of these vibrations takes place.
  • a damping of the vibrations caused by the spindle of the drive through the second part of the carrier body also has a favorable effect, for example, on the bearings of the spindle, since they are less stressed.
  • the invention is therefore not only to provide a support body with a vibration-damping material, but at least two parts perform the support body, wherein one part consists essentially of a vibration-damping material and the other part can be created from a different material, which other, for the grinding insert has favorable physical properties.
  • the vibration-damping material of the second part may be, for example, cast iron, preferably with lamellar graphite (eg GJL 250), spheroidal graphite, vermicular graphite, or cast steel, and / or aluminum bronze and / or fiber-reinforced, preferably carbon fiber reinforced, plastic.
  • the first part of the carrier body can essentially consist of a vibration-conducting and / or heat-conducting material, preferably steel or aluminum.
  • the abrasive coating is formed contactlessly to the second part, so that vibrations occurring during a grinding process can be transferred indirectly via the first part to the second part and attenuated by means of the second part.
  • the first part consists essentially of a fiber-reinforced, preferably carbon fiber reinforced, plastic and the second part consists essentially of cast iron.
  • both parts are made of a vibration-damping material.
  • the invention does not necessarily provide that the first part consists of a vibration-conducting material.
  • a, preferably axial, screw connection can be provided. It is particularly advantageous to provide in the first and / or second part recesses, in which threaded bushes used, preferably glued, are. In this way, the second part can be supplied for reuse in a particularly simple manner. Alternatively, it would also be possible to cut the threads directly into the first and / or second part.
  • the second part has an approximately twice as large volume as the first part, and / or the second part has a higher weight compared to the first part. This is a very massive second part, which dampens the vibrations occurring in the grinding insert in a particularly efficient manner.
  • Figure 2 shows a preferred embodiment of an inventive
  • FIG. 3 shows the first part of the carrier body of the grinding wheel from FIG. 2
  • FIG. 4 shows the second part of the carrier body of the grinding wheel from FIG. 2.
  • the grinding wheel 1 illustrated in FIGS. 2 to 4 comprises a carrier body which is constructed from a first part 2 and a second part 3 connected thereto.
  • the first part 2 consists essentially of steel and is therefore vibration and heat conducting.
  • the first part 2 has a peripheral surface 6, on which an abrasive coating 7 with a width 12 of approximately 5 mm is sintered. Vibrations and heat generated in the grinding insert can be dissipated via the first part 1.
  • the first part 2 is connected via two contact surfaces 10 and 1 1 with the second part 3 in connection, wherein the rotation axis 5 is aligned substantially normal to the contact surface 10 and substantially parallel to the contact surface 1 1. In this case, the contact surface 10 is a multiple greater than the contact surface 1 1.
  • the vibrations are forwarded to the second part 3.
  • This consists essentially of a vibration-damping material, such as cast iron with lamellar graphite or aluminum bronze or fiber-reinforced, preferably carbon fiber reinforced plastic. Due to the vibration damping properties of the second part 3, the vibrations transmitted by the first part 2 are damped.
  • the grinding wheel 1 is formed asymmetrically with respect to an imaginary center plane normal to the axis of rotation 5.
  • the second part 3 has a coupling region 4 for connecting the grinding wheel 1 to a rotary drive for rotating the grinding wheel 1 about an axis of rotation 5 extending through the coupling region 4.
  • the coupling region 4 is formed as a central bore.
  • the coupling region 4 is therefore formed directly in the vibration-damping material of the second part 3, so that the second part 3 acts as a hub.
  • the second part 3 When assembling the grinding wheel 1, the second part 3 is introduced with an approximately cylindrical projection 16 in a corresponding recess 14 which is provided in the first part 2, namely until the parts 2 and 3 are flush with each other. Subsequently, the two parts 2 and 3 are firmly connected.
  • it is an axial screw, so a screw parallel to the axis of rotation 5.
  • recesses 9 In which threaded bushings 8 are glued. These are arranged in alignment with recesses 15, which are provided in the first part 2.
  • a screw head has space. After joining the two parts 2 and 3, these can be firmly connected by screws 13 together.
  • the first part 2 can be removed again and replaced by a new first part 2, wherein the second part 3 can be reused.
  • the arrangement of the recesses 9 and 15 in the two parts 2 and 3 represents only an exemplary possibility of how a screw connection can be realized. A reverse arrangement is possible. Furthermore, as already stated, the thread can also be cut directly into one of the two parts 2 or 3. Finally, other types of connection can be used instead of the screw connection-alternatively or additionally-such as, for example, bonding of the two parts 2 and 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

L'invention concerne une meule (1) munie d'un élément de support (2, 3) qui présente une zone d'accouplement centrale (4) pour le raccordement de la meule (1) à un entraînement rotatif faisant tourner la meule (1) autour d'un axe de rotation (5) traversant la partie accouplement (4), et une surface périphérique (6), et d'une garniture abrasive (7) qui est appliquée sur la surface périphérique (6) de l'élément de support (2, 3), en particulier par frittage, l'élément de support (2, 3) comprenant une première partie (2) et une seconde partie (3) reliée à la première partie, la première partie (2) présentant la surface périphérique (6) et la seconde partie (3) présentant la zone d'accouplement (4) et étant composée sensiblement d'un matériau amortissant les vibrations.
EP17719985.8A 2016-05-13 2017-04-19 Meule munie d'un élément de support amortissant les vibrations Active EP3455031B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI201730270T SI3455031T1 (sl) 2016-05-13 2017-04-19 Brusilni disk z nosilnim telesom, ki duši vibracije
PL17719985T PL3455031T3 (pl) 2016-05-13 2017-04-19 Tarcza szlifierska

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50447/2016A AT518247B1 (de) 2016-05-13 2016-05-13 Schleifscheibe
PCT/AT2017/060099 WO2017193147A1 (fr) 2016-05-13 2017-04-19 Meule munie d'un élément de support amortissant les vibrations

Publications (2)

Publication Number Publication Date
EP3455031A1 true EP3455031A1 (fr) 2019-03-20
EP3455031B1 EP3455031B1 (fr) 2020-03-11

Family

ID=58640644

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17719985.8A Active EP3455031B1 (fr) 2016-05-13 2017-04-19 Meule munie d'un élément de support amortissant les vibrations

Country Status (11)

Country Link
US (1) US11607777B2 (fr)
EP (1) EP3455031B1 (fr)
JP (1) JP7014776B2 (fr)
KR (1) KR102180895B1 (fr)
CN (1) CN109153108B (fr)
AT (1) AT518247B1 (fr)
ES (1) ES2794786T3 (fr)
IL (1) IL262609B (fr)
PL (1) PL3455031T3 (fr)
SI (1) SI3455031T1 (fr)
WO (1) WO2017193147A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111823153A (zh) * 2020-08-06 2020-10-27 平湖盛邦科技有限公司 一种碳纤维基体复合结构砂轮及其制造方法

Family Cites Families (35)

* Cited by examiner, † Cited by third party
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US3555744A (en) * 1966-11-29 1971-01-19 Norton Co Method of grinding
US3613472A (en) * 1970-08-12 1971-10-19 Gerhard R Held Honing gear assembly
CH575276A5 (en) * 1974-05-02 1976-05-14 Krebs & Riedelwing George Seab Saw blade for grinding machines - is built up of two concentric parts of materials of different elasticity
DE2740891C3 (de) * 1977-09-10 1980-11-13 Ernst 8909 Niederraunau Spielvogel Umfangsschleifscheibe
JPS5620756U (fr) * 1979-07-24 1981-02-24
US4381182A (en) 1979-07-27 1983-04-26 Lucas Industries Limited Fuel injection pump
US4541205A (en) * 1983-04-08 1985-09-17 United Abrasives, Inc. Abrasive wheel assembly
JPS59214561A (ja) 1983-05-19 1984-12-04 Toyoda Mach Works Ltd 砥石ツル−イング用ダイヤモンドホイ−ル
BE903178A (fr) * 1985-09-04 1985-12-31 Diamant Boart Sa Disque de sciage a segments diamantes
JPS6268282A (ja) 1985-09-19 1987-03-28 Asahi Daiyamondo Kogyo Kk ダイヤモンドカツタ
JPH0326467A (ja) * 1989-06-20 1991-02-05 Agency Of Ind Science & Technol 多気孔金属ホイールとその製造法
AT400013B (de) * 1990-05-07 1995-09-25 Rappold International Sales Ag Schleifanordnung
JP3178096B2 (ja) 1992-07-14 2001-06-18 株式会社日立製作所 電気掃除機の吸口体
JP3333627B2 (ja) * 1994-04-06 2002-10-15 株式会社マキタ 回転研削工具のツール固止装置
AT409469B (de) * 1998-11-10 2002-08-26 Swarovski Tyrolit Schleif Spanneinrichtung für schleifscheiben
DE20102684U1 (de) * 2000-02-15 2001-04-19 Swarovski Tyrolit Schleif Schleifscheibe
JP2002059367A (ja) * 2000-08-23 2002-02-26 Bando Kiko Kk メタルボンドダイヤモンド砥石及びその製造方法
JP2002159367A (ja) * 2000-11-27 2002-06-04 Nissan Motor Co Ltd 車両用シート
JP2005125412A (ja) * 2003-10-21 2005-05-19 Taiho Diamond Kogyo Kk ダイヤモンドカッタ
DE10357145A1 (de) * 2003-12-06 2005-06-30 Robert Bosch Gmbh Handschleifmaschine, Aufnahmeflansch für ein Schleifwerkzeug und Auswuchteinheit
DE102004032177B4 (de) * 2004-07-02 2016-07-07 Robert Bosch Gmbh Schwingungsdämpfungsvorrichtung, insbesondere für eine Elektrohandwerkzeugmaschine, sowie Getriebe mit einer solchen Schwingungsdämpfungsvorrichtung
DE202004018583U1 (de) * 2004-12-01 2006-04-06 Rhodius Schleifwerkzeuge Gmbh & Co. Kg Vorrichtung zum Trennen und Schleifen mit Vibrationsdämpfung und dafür geeignetes Werkzeug
DE102004061871B4 (de) * 2004-12-22 2007-05-31 Erwin Junker Maschinenfabrik Gmbh Spannvorrichtung mit Zentriervorrichtung an einem Schleifspindelrotor und Rotationsteil mit einer derartigen Zentriervorrichtung
US7883398B2 (en) * 2005-08-11 2011-02-08 Saint-Gobain Abrasives, Inc. Abrasive tool
DE102005054578A1 (de) * 2005-11-16 2007-05-24 Robert Bosch Gmbh Trennscheibe
US7588484B2 (en) * 2006-01-19 2009-09-15 Nao Enterprises, Inc. Mounting system for grinding wheels and the like
DE102006030559A1 (de) * 2006-07-03 2008-01-10 Robert Bosch Gmbh Elektrohandwerkzeugmaschine
JP2010042498A (ja) * 2008-08-14 2010-02-25 Kazumasa Onishi 超音波振動を付与した研削砥石による加工方法
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JP5620756B2 (ja) 2010-08-31 2014-11-05 大王製紙株式会社 パンツタイプ使い捨ておむつ
JP2012245607A (ja) * 2011-05-25 2012-12-13 Sankyo Diamond Industrial Co Ltd 低振動型ソーブレード
JP3178096U (ja) 2012-06-19 2012-08-30 天龍製鋸株式会社 研削工具
CN105100708B (zh) 2015-06-26 2018-12-25 小米科技有限责任公司 请求处理方法及装置
US20190030683A1 (en) * 2016-02-26 2019-01-31 3M Innovative Properties Company Damped abrasive article

Also Published As

Publication number Publication date
US11607777B2 (en) 2023-03-21
IL262609B (en) 2022-03-01
IL262609A (en) 2019-02-28
AT518247A4 (de) 2017-09-15
EP3455031B1 (fr) 2020-03-11
SI3455031T1 (sl) 2020-09-30
CN109153108B (zh) 2021-04-27
KR20180135067A (ko) 2018-12-19
WO2017193147A1 (fr) 2017-11-16
ES2794786T3 (es) 2020-11-19
US20190061108A1 (en) 2019-02-28
JP2019514721A (ja) 2019-06-06
JP7014776B2 (ja) 2022-02-01
KR102180895B1 (ko) 2020-11-20
AT518247B1 (de) 2017-09-15
PL3455031T3 (pl) 2020-08-24
CN109153108A (zh) 2019-01-04

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